<template>
  <div class="app-container">
    <el-row :gutter="20">
      <el-col :xs="24" :sm="24" :md="4" :lg="4" :xl="4">
        <div class="head-container">
          <el-input
            v-model="filterText"
            placeholder="输入部门名称搜索"
            size="small"
            prefix-icon="el-icon-search"
            class="filter-item"
            style="margin-bottom: 20px"
          />
          <el-tree
            :data="deptData"
            :props="deptTreeProps"
            :expand-on-click-node="false"
            :default-expand-all="true"
            @node-click="handleNodeClick"
          />
        </div>
      </el-col>
      <el-col :xs="24" :sm="24" :md="20" :lg="20" :xl="20">
        <!-- 查询和其他操作 -->
        <div class="filter-container" style="margin: 10px 0 10px 0;">
          <el-input
            v-model="keyword"
            clearable
            class="filter-item"
            style="width: 200px;"
            size="small"
            placeholder="请输入角色名称"
            @keyup.enter.native="handleSearch"
          />
          <el-button
            class="filter-item"
            size="mini"
            type="primary"
            icon="el-icon-search"
            @click="handleSearch"
          >查找</el-button>
          <el-button
            class="filter-item"
            size="mini"
            type="primary"
            icon="el-icon-plus"
            @click="handleAdd"
          >添加角色</el-button>
        </div>

        <el-table v-loading="loading" :data="tableData" style="width: 100%" size="mini">
          <!-- <el-table-column type="selection" /> -->
          <el-table-column label="序号" width="60" align="center">
            <template slot-scope="scope">
              <span>{{ scope.$index + 1 }}</span>
            </template>
          </el-table-column>

          <el-table-column label="角色名称" width="200" align="center">
            <template slot-scope="scope">
              <span>{{ scope.row.roleName }}</span>
            </template>
          </el-table-column>

          <el-table-column label="角色标识" width="200" align="center">
            <template slot-scope="scope">
              <span>{{ scope.row.roleCode }}</span>
            </template>
          </el-table-column>

          <el-table-column label="角色介绍" width="200" align="center">
            <template slot-scope="scope">
              <span>{{ scope.row.roleDesc }}</span>
            </template>
          </el-table-column>

          <el-table-column label="创建时间" width="160" align="center" prop="createTime">
            <template slot-scope="scope">
              <span>{{ parseTime(scope.row.createTime) }}</span>
            </template>
          </el-table-column>

          <el-table-column label="操作" fixed="right" min-width="150" align="center">
            <template slot-scope="scope">
              <el-button size="mini" icon="el-icon-edit" @click="handleEdit(scope.row)">编辑</el-button>
              <el-button
                type="danger"
                size="mini"
                icon="el-icon-delete"
                @click="handleDelete(scope.row)"
              >删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-col>
    </el-row>

    <!-- 添加或修改对话框 -->
    <el-dialog
      :title="!dataForm.id?'新增角色':'编辑角色'"
      :visible.sync="dialogFormVisible"
      :close-on-click-modal="false"
    >
      <el-form
        ref="dataForm"
        :model="dataForm"
        :rules="dataRule"
        label-width="80px"
        size="small"
        style="text-align:left;"
      >
        <el-form-item label="部门名称">
          <el-input v-model="dataForm.deptName" :disabled="true" />
        </el-form-item>
        <el-form-item label="角色名称" prop="roleName">
          <el-input v-model="dataForm.roleName" placeholder="请输入角色名称" />
        </el-form-item>
        <el-form-item label="角色标识" prop="roleCode">
          <el-input v-model="dataForm.roleCode" placeholder="请输入角色标识" />
        </el-form-item>
        <el-form-item label="角色介绍" prop="roleDesc">
          <el-input v-model="dataForm.roleDesc" placeholder="请输入角色介绍" />
        </el-form-item>
        <el-form-item label="数据范围" prop="roleDesc">
          <el-select
            v-model="dataForm.dsType"
            placeholder="请选择数据范围"
            style="width: 100%"
            @change="changeScope"
          >
            <el-option v-for="item in dsTypes" :key="item.id" :label="item.desc" :value="item.id" />
          </el-select>
        </el-form-item>

        <el-form-item v-if="dataForm.dsType === 4" label="数据权限">
          <treeselect
            v-model="deptIds"
            :options="dialogDeptData"
            :multiple="true"
            placeholder="请选择"
          />
        </el-form-item>

        <el-form-item label="访问菜单">
          <el-tree
            ref="menuTree"
            v-loading="menuLoading"
            :data="menuData"
            size="mini"
            show-checkbox
            node-key="id"
            :props="deptTreeProps"
            element-loading-text="拼命加载中"
            :check-strictly="true"
            @check-change="handleMenuCheckChange"
          />

          <div style="padding-left:24px;padding-top:12px;">
            <el-checkbox v-model="checkAll" :disabled="false" @change="handleCheckAll">
              <b>全选</b>
            </el-checkbox>
          </div>
        </el-form-item>
      </el-form>

      <div slot="footer" class="dialog-footer">
        <el-button size="small" @click="dialogFormVisible = false">取消</el-button>
        <el-button size="small" type="primary" :loading="editLoading" @click="submitForm">确定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  getRoleList,
  addRole,
  updateRole,
  deleteRole,
  findRoleMenus,
  getDsTypes
} from '@/api/roles'
import { getMenus } from '@/api/menu'
import { parseTime } from '@/utils/index'
import { getDeptTree, getDept } from '@/api/dept'
import Treeselect from '@riophae/vue-treeselect'
import '@riophae/vue-treeselect/dist/vue-treeselect.css'

export default {
  components: {
    Treeselect
  },
  data() {
    return {
      // 树形的过滤
      filterText: '',
      // 搜索关键词
      keyword: '',
      // 表格属性
      tableData: [],
      // 左侧属性下拉框的值
      deptData: [],
      // 编辑框树形的值
      dialogDeptData: [],
      loading: true,
      dialogFormVisible: false,
      dataForm: {
        id: '',
        deptId: '',
        deptName: '',
        roleName: '',
        roleCode: '',
        roleDesc: '',
        dsType: null,
        dsScope: null
      },
      // 表单校验
      dataRule: {
        roleName: [
          { required: true, message: '角色名称不能为空', trigger: 'blur' }
        ],
        roleDesc: [
          { required: true, message: '角色介绍不能为空', trigger: 'blur' }
        ],
        roleCode: [
          { required: true, message: '角色标识不能为空', trigger: 'blur' }
        ],
        roleCode: [
          { required: true, message: '角色标识不能为空', trigger: 'blur' }
        ]
      },
      dsTypes: [],
      // 角色可以选择的部门
      deptIds: [],
      // 树形组件label
      deptTreeProps: {
        label: 'name',
        children: 'children'
      },

      editLoading: false,
      // 菜单加载
      menuLoading: false,
      menuData: [],
      checkAll: false
    }
  },
  created() {
    this.getOutDeptTree()
    this.findTreeData()
  },
  methods: {
    parseTime,
    handleNodeClick: function(data) {
      this.dataForm.deptId = data.id === 0 ? 0 : data.id
      this.dataForm.deptName = data.name
      this.roleList()
    },
    // 获取菜单树
    findTreeData: function() {
      this.menuLoading = true
      getMenus().then(res => {
        this.menuData = res.data.data
        this.menuLoading = false
      })
    },
    // 树节点选择监听
    handleMenuCheckChange(data, check) {
      if (check) {
        // 节点选中时同步选中父节点
        const parentId = data.parentId
        this.$refs.menuTree.setChecked(parentId, true, false)
      } else {
        // 节点取消选中时同步取消选中子节点
        if (data.children != null) {
          data.children.forEach(element => {
            this.$refs.menuTree.setChecked(element.id, false, false)
          })
        }
      }
    },
    // 全选操作
    handleCheckAll() {
      if (this.checkAll) {
        const allMenus = []
        this.checkAllMenu(this.menuData, allMenus)
        this.$refs.menuTree.setCheckedNodes(allMenus)
      } else {
        this.$refs.menuTree.setCheckedNodes([])
      }
    },
    // 递归全选
    checkAllMenu(menuData, allMenus) {
      menuData.forEach(menu => {
        allMenus.push(menu)
        if (menu.children) {
          this.checkAllMenu(menu.children, allMenus)
        }
      })
    },
    // 获取角色
    roleList: function() {
      this.loading = true
      const params = new URLSearchParams()
      params.append('roleName', this.keyword)
      params.append('deptId', this.dataForm.deptId)
      getRoleList(params).then(response => {
        this.tableData = response.data.data
        this.loading = false
      })
    },
    // 搜索
    handleSearch: function() {
      this.roleList()
    },
    // 新增
    handleAdd: function() {
      if (this.dataForm.deptId == null || this.dataForm.deptId == '') {
        this.$message({
          type: 'error',
          message: '请选择权限所属部门'
        })
        return
      }
      this.dialogFormVisible = true
      this.resetForm()
      this.getDsTypes()
      this.handleCheckAll()
    },
    // 编辑
    handleEdit: function(row) {
      this.dataForm.id = row.id
      this.dataForm.roleName = row.roleName
      this.dataForm.roleCode = row.roleCode
      this.dataForm.roleDesc = row.roleDesc
      this.dataForm.dsType = row.dsType
      this.dataForm.dsScope = row.dsScope
      this.dataForm.deptId = row.deptId
      this.dataForm.deptName = row.deptName
      this.getDsTypes()
      this.dialogFormVisible = true
      this.handleRoleSelectChange(row.id)
    },
    // 角色选择改变监听
    handleRoleSelectChange(id) {
      findRoleMenus(id).then(res => {
        this.$refs.menuTree.setCheckedNodes(res.data.data)
      })
    },
    // 删除
    handleDelete: function(row) {
      const that = this
      this.$confirm('此操作将把部门删除, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(() => {
          deleteRole(row.id)
            .then(res => {
              if (res.data.code === '200') {
                this.$message({
                  type: 'success',
                  message: '操作成功'
                })
                that.roleList()
              } else {
                this.$message({ message: res.data.msg, type: 'error' })
              }
            })
            .catch(function(error) {
              that.$message({
                type: 'error',
                message: '删除失败'
              })
            })
        })
        .catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
    },
    // 重置表单
    resetForm: function() {
      this.dataForm.id = null
      this.dataForm.roleName = ''
      this.dataForm.roleCode = ''
      this.dataForm.roleDesc = ''
      this.dataForm.dsType = null
      this.dataForm.dsScope = null
      this.dataForm.roleMenus = []
    },
    // 更改数据范围类型
    changeScope: function(data) {
      this.deptIds = []
      if (this.dataForm.dsType === 4) {
        this.getInDeptTree()
      }
    },
    // 得到外层点击
    getOutDeptTree: function() {
      getDept().then(res => {
        this.deptData = res.data.data
        if (res.data.data != null && res.data.data[0] != null) {
          // this.dataForm.deptId = res.data.data[0].id
          // this.dataForm.deptName = res.data.data[0].name
          this.roleList()
        }
      })
    },
    // 得到内层编辑
    getInDeptTree: function() {
      getDeptTree(this.dataForm.deptId).then(res => {
        this.dialogDeptData = res.data.data
      })
    },
    // 得到数据类型
    getDsTypes: function() {
      getDsTypes(this.dataForm.deptId).then(res => {
        this.dsTypes = res.data.data
      })
    },
    // 提交表单
    submitForm: function() {
      const checkedNodes = this.$refs.menuTree.getCheckedNodes(false, true)
      const roleMenus = []
      for (let i = 0, len = checkedNodes.length; i < len; i++) {
        const roleMenu = { roleId: null, menuId: checkedNodes[i].id }
        roleMenus.push(roleMenu)
      }
      this.dataForm.roleMenus = roleMenus

      this.$refs['dataForm'].validate(valid => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            // 有id就是新增
            this.editLoading = true
            if (this.dataForm.id) {
              updateRole(this.dataForm).then(res => {
                if (res.data.code === '200') {
                  this.$message({
                    type: 'success',
                    message: '操作成功'
                  })
                  this.dialogFormVisible = false
                  this.roleList()
                } else {
                  this.$message({
                    type: 'error',
                    message: response.data.msg
                  })
                }
                this.editLoading = false
              })
            } else {
              addRole(this.dataForm).then(res => {
                if (res.data.code === '200') {
                  this.$message({
                    type: 'success',
                    message: '操作成功'
                  })
                  this.dialogFormVisible = false
                  this.roleList()
                } else {
                  this.$message({
                    type: 'error',
                    message: response.data.msg
                  })
                }
                this.editLoading = false
              })
            }
          })
        }
      })
    }
  }
}
</script>
